detection period: 2021-09-28 00:00-23:59 UTC
total number of suspected botnet IPs: 28415
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 26501
number of spam blocked: 0
recipient count of spam blocked: 0
The top 10 networks (as found in WHOIS), ordered by the number of suspected botnet IPs are:
| Rank | Network | # of suspected botnet IPs |
|---|---|---|
| 1 | TencentCloud | 995 |
| 2 | ALISOFT | 947 |
| 3 | DIGITALOCEAN-192-241-128-0 | 752 |
| 4 | VNPT-VN | 555 |
| 5 | VIETTEL-VN | 487 |
| 6 | HINET-NET | 385 |
| 7 | CMNET | 377 |
| 8 | TELKOMNET | 310 |
| 9 | BSNLNET | 297 |
| 10 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 291 |
The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:
| Rank | Country/Region | # of suspected botnet IPs |
|---|---|---|
| 1 | China | 5593 |
| 2 | United States | 4500 |
| 3 | India | 1888 |
| 4 | Russian Federation | 1872 |
| 5 | Viet Nam | 1472 |
| 6 | Brazil | 1367 |
| 7 | Indonesia | 950 |
| 8 | Thailand | 738 |
| 9 | Mexico | 525 |
| 10 | Taiwan | 518 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 291364 |
| 2 | 11122 | 276061 |
| 3 | 10022 | 225710 |
| 4 | 10222 | 209498 |
| 5 | 11322 | 194641 |
| 6 | 11422 | 194395 |
| 7 | 10522 | 194034 |
| 8 | 10422 | 187794 |
| 9 | 10322 | 186859 |
| 10 | 10122 | 186704 |
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